<?php
 /*
   +----------------------------------------------------------------------------+
   | ILIAS open source                                                          |
   +----------------------------------------------------------------------------+
   | Copyright (c) 1998-2001 ILIAS open source, University of Cologne           |
   |                                                                            |
   | This program is free software; you can redistribute it and/or              |
   | modify it under the terms of the GNU General Public License                |
   | as published by the Free Software Foundation; either version 2             |
   | of the License, or (at your option) any later version.                     |
   |                                                                            |
   | This program is distributed in the hope that it will be useful,            |
   | but WITHOUT ANY WARRANTY; without even the implied warranty of             |
   | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the              |
   | GNU General Public License for more details.                               |
   |                                                                            |
   | You should have received a copy of the GNU General Public License          |
   | along with this program; if not, write to the Free Software                |
   | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
   +----------------------------------------------------------------------------+
*/

include_once "./Modules/TestQuestionPool/classes/import/qti12/class.assQuestionImport.php";

/**
* Class for imagemap question imports
*
* assImagemapQuestionImport is a class for imagemap question imports
*
* @author		Helmut Schottmüller <helmut.schottmueller@mac.com>
* @version	$Id$
* @ingroup ModulesTestQuestionPool
*/
class assImagemapQuestionImport extends assQuestionImport
{
	/**
	* Creates a question from a QTI file
	*
	* Receives parameters from a QTI parser and creates a valid ILIAS question object
	*
	* @param object $item The QTI item object
	* @param integer $questionpool_id The id of the parent questionpool
	* @param integer $tst_id The id of the parent test if the question is part of a test
	* @param object $tst_object A reference to the parent test object
	* @param integer $question_counter A reference to a question counter to count the questions of an imported question pool
	* @param array $import_mapping An array containing references to included ILIAS objects
	* @access public
	*/
	function fromXML(&$item, $questionpool_id, &$tst_id, &$tst_object, &$question_counter, &$import_mapping)
	{
		global $ilUser;

		// empty session variable for imported xhtml mobs
		unset($_SESSION["import_mob_xhtml"]);
		$presentation = $item->getPresentation(); 
		$duration = $item->getDuration();
		$now = getdate();
		$questionimage = array();
		$created = sprintf("%04d%02d%02d%02d%02d%02d", $now['year'], $now['mon'], $now['mday'], $now['hours'], $now['minutes'], $now['seconds']);
		$answers = array();
		foreach ($presentation->order as $entry)
		{
			switch ($entry["type"])
			{
				case "response":
					$response = $presentation->response[$entry["index"]];
					$rendertype = $response->getRenderType(); 
					switch (strtolower(get_class($rendertype)))
					{
						case "ilqtirenderhotspot":
							foreach ($rendertype->material as $mat)
							{
								for ($i = 0; $i < $mat->getMaterialCount(); $i++)
								{
									$m = $mat->getMaterial($i);
									if (strcmp($m["type"], "matimage") == 0)
									{
										$questionimage = array(
											"imagetype" => $m["material"]->getImageType(),
											"label" => $m["material"]->getLabel(),
											"content" => $m["material"]->getContent()
										);
									}
								}
							}
							foreach ($rendertype->response_labels as $response_label)
							{
								$ident = $response_label->getIdent();
								$answerhint = "";
								foreach ($response_label->material as $mat)
								{
									$answerhint .= $this->object->QTIMaterialToString($mat);
								}
								$answers[$ident] = array(
									"answerhint" => $answerhint,
									"areatype" => $response_label->getRarea(),
									"coordinates" => $response_label->getContent(),
									"points" => 0,
									"answerorder" => $response_label->getIdent(),
									"correctness" => "1",
									"action" => ""
								);
							}
							break;
					}
					break;
			}
		}
		$responses = array();
		$feedbacks = array();
		$feedbacksgeneric = array();
		foreach ($item->resprocessing as $resprocessing)
		{
			foreach ($resprocessing->respcondition as $respcondition)
			{
				$coordinates = "";
				$conditionvar = $respcondition->getConditionvar();
				foreach ($conditionvar->order as $order)
				{
					switch ($order["field"])
					{
						case "varinside":
							$coordinates = $conditionvar->varinside[$order["index"]]->getContent();
							break;
					}
				}
				foreach ($respcondition->setvar as $setvar)
				{
					foreach ($answers as $ident => $answer)
					{
						if (strcmp($answer["coordinates"], $coordinates) == 0)
						{
							$answers[$ident]["action"] = $setvar->getAction();
							$answers[$ident]["points"] = $setvar->getContent();
							if (count($respcondition->displayfeedback))
							{
								foreach ($respcondition->displayfeedback as $feedbackpointer)
								{
									if (strlen($feedbackpointer->getLinkrefid()))
									{
										foreach ($item->itemfeedback as $ifb)
										{
											if (strcmp($ifb->getIdent(), "response_allcorrect") == 0)
											{
												// found a feedback for the identifier
												if (count($ifb->material))
												{
													foreach ($ifb->material as $material)
													{
														$feedbacksgeneric[1] = $material;
													}
												}
												if ((count($ifb->flow_mat) > 0))
												{
													foreach ($ifb->flow_mat as $fmat)
													{
														if (count($fmat->material))
														{
															foreach ($fmat->material as $material)
															{
																$feedbacksgeneric[1] = $material;
															}
														}
													}
												}
											} 
											else if (strcmp($ifb->getIdent(), "response_onenotcorrect") == 0)
											{
												// found a feedback for the identifier
												if (count($ifb->material))
												{
													foreach ($ifb->material as $material)
													{
														$feedbacksgeneric[0] = $material;
													}
												}
												if ((count($ifb->flow_mat) > 0))
												{
													foreach ($ifb->flow_mat as $fmat)
													{
														if (count($fmat->material))
														{
															foreach ($fmat->material as $material)
															{
																$feedbacksgeneric[0] = $material;
															}
														}
													}
												}
											}
											if (strcmp($ifb->getIdent(), $feedbackpointer->getLinkrefid()) == 0)
											{
												// found a feedback for the identifier
												if (count($ifb->material))
												{
													foreach ($ifb->material as $material)
													{
														$feedbacks[$ident] = $material;
													}
												}
												if ((count($ifb->flow_mat) > 0))
												{
													foreach ($ifb->flow_mat as $fmat)
													{
														if (count($fmat->material))
														{
															foreach ($fmat->material as $material)
															{
																$feedbacks[$ident] = $material;
															}
														}
													}
												} 
											}
										}
									}
								}
							}
						}
					}
				}
			}
		}

		$this->object->setTitle($item->getTitle());
		$this->object->setComment($item->getComment());
		$this->object->setAuthor($item->getAuthor());
		$this->object->setOwner($ilUser->getId());
		$this->object->setQuestion($this->object->QTIMaterialToString($item->getQuestiontext()));
		$this->object->setObjId($questionpool_id);
		$this->object->setEstimatedWorkingTime($duration["h"], $duration["m"], $duration["s"]);
		$areas = array("2" => "rect", "1" => "circle", "3" => "poly");
		$this->object->setImageFilename($questionimage["label"]);
		foreach ($answers as $answer)
		{
			$this->object->addAnswer($answer["answerhint"], $answer["points"], $answer["answerorder"], $answer["coordinates"], $areas[$answer["areatype"]]);
		}
		$this->object->saveToDb();
		if (count($item->suggested_solutions))
		{
			foreach ($item->suggested_solutions as $suggested_solution)
			{
				$this->object->setSuggestedSolution($suggested_solution["solution"]->getContent(), $suggested_solution["gap_index"], true);
			}
			$this->object->saveToDb();
		}
		$image =& base64_decode($questionimage["content"]);
		$imagepath = $this->object->getImagePath();
		if (!file_exists($imagepath))
		{
			include_once "./Services/Utilities/classes/class.ilUtil.php";
			ilUtil::makeDirParents($imagepath);
		}
		$imagepath .=  $questionimage["label"];
		$fh = fopen($imagepath, "wb");
		if ($fh == false)
		{
//									global $ilErr;
//									$ilErr->raiseError($this->object->lng->txt("error_save_image_file") . ": $php_errormsg", $ilErr->MESSAGE);
//									return;
		}
		else
		{
			$imagefile = fwrite($fh, $image);
			fclose($fh);
		}
		// handle the import of media objects in XHTML code
		foreach ($feedbacks as $ident => $material)
		{
			$m = $this->object->QTIMaterialToString($material);
			$feedbacks[$ident] = $m;
		}
		foreach ($feedbacksgeneric as $correctness => $material)
		{
			$m = $this->object->QTIMaterialToString($material);
			$feedbacksgeneric[$correctness] = $m;
		}
		$questiontext = $this->object->getQuestion();
		if (is_array($_SESSION["import_mob_xhtml"]))
		{
			include_once "./Services/MediaObjects/classes/class.ilObjMediaObject.php";
			include_once "./Services/RTE/classes/class.ilRTE.php";
			foreach ($_SESSION["import_mob_xhtml"] as $mob)
			{
				if ($tst_id > 0)
				{
					include_once "./Modules/Test/classes/class.ilObjTest.php";
					$importfile = ilObjTest::_getImportDirectory() . "/" . $_SESSION["tst_import_subdir"] . "/" . $mob["uri"];
				}
				else
				{
					include_once "./Modules/TestQuestionPool/classes/class.ilObjQuestionPool.php";
					$importfile = ilObjQuestionPool::_getImportDirectory() . "/" . $_SESSION["qpl_import_subdir"] . "/" . $mob["uri"];
				}
				$media_object =& ilObjMediaObject::_saveTempFileAsMediaObject(basename($importfile), $importfile, FALSE);
				ilObjMediaObject::_saveUsage($media_object->getId(), "qpl:html", $this->object->getId());
				$questiontext = str_replace("src=\"" . $mob["mob"] . "\"", "src=\"" . "il_" . IL_INST_ID . "_mob_" . $media_object->getId() . "\"", $questiontext);
				foreach ($feedbacks as $ident => $material)
				{
					$feedbacks[$ident] = str_replace("src=\"" . $mob["mob"] . "\"", "src=\"" . "il_" . IL_INST_ID . "_mob_" . $media_object->getId() . "\"", $material);
				}
				foreach ($feedbacksgeneric as $correctness => $material)
				{
					$feedbacksgeneric[$correctness] = str_replace("src=\"" . $mob["mob"] . "\"", "src=\"" . "il_" . IL_INST_ID . "_mob_" . $media_object->getId() . "\"", $material);
				}
			}
		}
		$this->object->setQuestion(ilRTE::_replaceMediaObjectImageSrc($questiontext, 1));
		foreach ($feedbacks as $ident => $material)
		{
			$this->object->saveFeedbackSingleAnswer($ident, ilRTE::_replaceMediaObjectImageSrc($material, 1));
		}
		foreach ($feedbacksgeneric as $correctness => $material)
		{
			$this->object->saveFeedbackGeneric($correctness, ilRTE::_replaceMediaObjectImageSrc($material, 1));
		}
		$this->object->saveToDb();
		if ($tst_id > 0)
		{
			$q_1_id = $this->object->getId();
			$question_id = $this->object->duplicate(true);
			$tst_object->questions[$question_counter++] = $question_id;
			$import_mapping[$item->getIdent()] = array("pool" => $q_1_id, "test" => $question_id);
		}
		else
		{
			$import_mapping[$item->getIdent()] = array("pool" => $this->object->getId(), "test" => 0);
		}
	}
}

?>
